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authorChris Leech <christopher.leech@intel.com>2006-06-17 21:24:58 -0700
committerDavid S. Miller <davem@davemloft.net>2006-06-17 21:24:58 -0700
commitdb21733488f84a596faaad0d05430b3f51804692 (patch)
treea2c1f6d39ce27d2e86b395f2bf536c1ab7396411 /drivers/dma/Kconfig
parent57c651f74cd8383df10a648e677902849de1bc0b (diff)
downloadblackbird-op-linux-db21733488f84a596faaad0d05430b3f51804692.tar.gz
blackbird-op-linux-db21733488f84a596faaad0d05430b3f51804692.zip
[I/OAT]: Setup the networking subsystem as a DMA client
Attempts to allocate per-CPU DMA channels Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/dma/Kconfig')
-rw-r--r--drivers/dma/Kconfig12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 0f15e769c6bc..30d021d1a07c 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -10,6 +10,18 @@ config DMA_ENGINE
DMA engines offload copy operations from the CPU to dedicated
hardware, allowing the copies to happen asynchronously.
+comment "DMA Clients"
+
+config NET_DMA
+ bool "Network: TCP receive copy offload"
+ depends on DMA_ENGINE && NET
+ default y
+ ---help---
+ This enables the use of DMA engines in the network stack to
+ offload receive copy-to-user operations, freeing CPU cycles.
+ Since this is the main user of the DMA engine, it should be enabled;
+ say Y here.
+
comment "DMA Devices"
config INTEL_IOATDMA
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